Average chlorophyll concentration in the surface ocean (from mi-September 1997 to August 2007) from the ocean color sensor SeaWiFS (NASA). Subtropical gyres, in the center of the oceanic basins, are characterized by very low concentrations of chlorophyll a (dark blue) - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Ciliate (Photo : Fabien Lombard)
Dinoflagellés Ceratium massiliense var protuberans (Photo : Sophie Marro)
Instrumented buoy (Photo : Emilie Diamond)
Foraminifera Ruber (Photo : Fabien Lombard)
Drifting profiling floats in the Atlantic
Coccolithophore (Photo : Sophie Marro)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Elephant seal equipped with a sensor
Amphipode crustacean (Photo : Fabien Lombard)
The various components of a profiling float type PROVOR
Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Diatom genus Cylindrotheca (Photo : Sophie Marro)
Acantharia (Photo : Fabien Lombard)
Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.
